Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Date	Author	Language	Status	Score
Oct 10, 2025 13:28	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:25	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:24	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:19	Flavio Milinanni	CPPg++13.3.0	Success	706,459+10.87 RP
Oct 10, 2025 13:15	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:13	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:10	Flavio Milinanni	CPPg++13.3.0	Success	3,045,161+3.28 RP
Oct 7, 2025 18:11	Aleksei Shahoika	CPPg++13.3.0	Success	4,651+23.77 RP
Oct 7, 2025 17:56	Aleksei Shahoika	CPPg++13.3.0	Success	4,715
Oct 7, 2025 17:56	Aleksei Shahoika	CPPg++13.3.0	Success	4,703+53.76 RP
Oct 7, 2025 17:53	Aleksei Shahoika	CPPg++13.3.0	Success	4,825+334.62 RP
Oct 7, 2025 17:06	Aleksei Shahoika	CPPg++13.3.0	Success	5,754+1'737.92 RP
Sep 30, 2025 17:51	sheryllynn24	CPPg++13.3.0	Success	5,476
Sep 30, 2025 17:44	sheryllynn24	CPPg++13.3.0	Success	5,500
Sep 30, 2025 17:41	sheryllynn24	CPPg++13.3.0	Success	5,464
Sep 30, 2025 17:40	sheryllynn24	CPPg++13.3.0	Success	5,536
Sep 30, 2025 17:37	sheryllynn24	CPPg++13.3.0	Success	5,492
Sep 30, 2025 17:04	sheryllynn24	CPPg++13.3.0	Success	5,593
Sep 30, 2025 16:42	sheryllynn24	CPPg++13.3.0	Error
Sep 30, 2025 16:39	sheryllynn24	CPPg++13.3.0	Error
Sep 30, 2025 16:37	sheryllynn24	CPPg++13.3.0	Success	5,369
Sep 30, 2025 14:50	sheryllynn24	CPPg++13.3.0	Success	5,583
Sep 30, 2025 14:47	sheryllynn24	CPPg++13.3.0	Success	5,492
Sep 30, 2025 14:43	sheryllynn24	CPPg++13.3.0	Success	5,478
Sep 30, 2025 14:41	sheryllynn24	CPPg++13.3.0	Success	5,486
Sep 30, 2025 14:39	sheryllynn24	CPPg++13.3.0	Success	5,494
Sep 30, 2025 14:38	sheryllynn24	CPPg++13.3.0	Success	5,471
Sep 30, 2025 14:37	sheryllynn24	CPPg++13.3.0	Success	5,787
Sep 30, 2025 14:36	sheryllynn24	CPPg++13.3.0	Success	5,781
Sep 30, 2025 14:35	sheryllynn24	CPPclang++18.1.3	Success	5,487
Sep 30, 2025 14:31	sheryllynn24	CPPclang++18.1.3	Success	5,662
Sep 30, 2025 14:29	sheryllynn24	CPPclang++18.1.3	Success	5,478
Sep 30, 2025 14:28	sheryllynn24	CPPg++13.3.0	Success	5,669
Sep 30, 2025 14:27	sheryllynn24	CPPg++13.3.0	Success	5,705
Sep 30, 2025 14:25	sheryllynn24	CPPg++13.3.0	Success	5,695
Sep 30, 2025 14:20	sheryllynn24	CPPg++13.3.0	Success	5,584
Sep 30, 2025 14:19	sheryllynn24	CPPg++13.3.0	Success	5,631
Sep 30, 2025 14:09	sheryllynn24	CPPg++13.3.0	Success	5,621
Sep 30, 2025 14:07	sheryllynn24	CPPg++13.3.0	Success	5,593
Sep 30, 2025 14:06	sheryllynn24	CPPg++13.3.0	Success	5,575
Sep 30, 2025 14:04	sheryllynn24	CPPg++13.3.0	Success	5,451
Sep 30, 2025 14:04	sheryllynn24	CPPg++13.3.0	Success	5,498
Sep 30, 2025 14:03	sheryllynn24	CPPg++13.3.0	Success	5,400
Sep 30, 2025 13:56	sheryllynn24	CPPg++13.3.0	Success	5,583
Sep 30, 2025 13:54	sheryllynn24	CPPg++13.3.0	Success	5,584
Sep 29, 2025 17:41	sheryllynn24	CPPg++13.3.0	Success	5,442
Sep 29, 2025 17:07	sheryllynn24	CPPg++13.3.0	Success	5,344
Sep 29, 2025 16:49	sheryllynn24	CPPg++13.3.0	Success	5,224+28.52 RP
Sep 29, 2025 16:48	sheryllynn24	CPPg++13.3.0	Success	5,615
Sep 29, 2025 16:46	sheryllynn24	CPPg++13.3.0	Success	5,467
Sep 29, 2025 16:33	sheryllynn24	CPPg++13.3.0	Success	5,939
Sep 29, 2025 16:25	sheryllynn24	CPPg++13.3.0	Success	5,307
Sep 29, 2025 16:23	sheryllynn24	CPPg++13.3.0	Success	5,303+16.92 RP
Sep 29, 2025 16:22	sheryllynn24	CPPg++13.3.0	Success	5,587
Sep 29, 2025 16:22	sheryllynn24	CPPg++13.3.0	Success	5,897
Sep 29, 2025 16:21	sheryllynn24	CPPg++13.3.0	Success	5,887
Sep 29, 2025 16:20	sheryllynn24	CPPg++13.3.0	Success	5,900
Sep 29, 2025 16:18	sheryllynn24	CPPg++13.3.0	Success	5,351+77.66 RP
Sep 29, 2025 16:17	sheryllynn24	CPPg++13.3.0	Success	5,894
Sep 29, 2025 16:16	sheryllynn24	CPPg++13.3.0	Success	5,879
Sep 29, 2025 16:13	sheryllynn24	CPPg++13.3.0	Success	5,583+0.64 RP
Sep 29, 2025 16:12	sheryllynn24	CPPg++13.3.0	Success	5,612
Sep 29, 2025 16:10	sheryllynn24	CPPg++13.3.0	Success	5,592
Sep 29, 2025 16:05	sheryllynn24	CPPg++13.3.0	Success	5,643
Sep 29, 2025 16:04	sheryllynn24	CPPg++13.3.0	Success	5,618
Sep 29, 2025 16:03	sheryllynn24	CPPg++13.3.0	Success	5,668
Sep 29, 2025 16:00	sheryllynn24	CPPg++13.3.0	Success	5,593
Sep 29, 2025 15:59	sheryllynn24	CPPg++13.3.0	Success	5,590
Sep 29, 2025 15:56	sheryllynn24	CPPg++13.3.0	Success	5,585+1'787.15 RP
Sep 29, 2025 14:44	sheryllynn24	CPPg++13.3.0	Success	2,973,553+0.01 RP
Sep 29, 2025 14:43	sheryllynn24	CPPg++13.3.0	Success	2,985,570+3.35 RP
Sep 28, 2025 10:52	Tejas G.	CPPg++13.3.0	Success	4,481+2.98 RP
Sep 28, 2025 10:52	Tejas G.	CPPclang++18.1.3	Success	4,491
Sep 28, 2025 10:52	Tejas G.	CPPclang++18.1.3	Success	4,487+94.64 RP
Sep 28, 2025 10:50	Tejas G.	CPPclang++18.1.3	Success	4,688
Sep 28, 2025 10:50	Tejas G.	CPPg++13.3.0	Success	4,686+391.86 RP
Sep 27, 2025 08:32	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 22:55	Daniel Mastalerz	CPPg++13.3.0	Success	5,599
Sep 26, 2025 22:54	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 22:47	Daniel Mastalerz	CPPg++13.3.0	Success	15,072
Sep 26, 2025 22:41	Daniel Mastalerz	CPPg++13.3.0	Success	5,588
Sep 26, 2025 22:39	Daniel Mastalerz	CPPg++13.3.0	Success	11,462
Sep 26, 2025 22:27	Daniel Mastalerz	CPPg++13.3.0	Success	5,538
Sep 26, 2025 22:24	Daniel Mastalerz	CPPg++13.3.0	Success	5,582
Sep 26, 2025 22:22	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 22:09	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 19:17	Mikołaj Uzarski	CPPg++13.3.0	Success	5,326+86.11 RP
Sep 26, 2025 19:12	Mikołaj Uzarski	CPPg++13.3.0	Success	5,582+1.60 RP
Sep 26, 2025 19:10	Mikołaj Uzarski	CPPg++13.3.0	Success	5,587+22.15 RP
Sep 26, 2025 19:10	Daniel Mastalerz	CPPg++13.3.0	Success	5,899
Sep 26, 2025 19:09	Daniel Mastalerz	CPPg++13.3.0	Success	5,899
Sep 26, 2025 19:07	Mikołaj Uzarski	CPPg++13.3.0	Success	5,657
Sep 26, 2025 18:50	Daniel Mastalerz	CPPg++13.3.0	Success	5,631
Sep 26, 2025 18:47	Daniel Mastalerz	CPPg++13.3.0	Success	5,645
Sep 26, 2025 18:44	Daniel Mastalerz	CPPg++13.3.0	Success	6,533
Sep 26, 2025 18:41	Daniel Mastalerz	CPPg++13.3.0	Success	5,765
Sep 26, 2025 18:33	Daniel Mastalerz	CPPg++13.3.0	Success	5,649
Sep 26, 2025 18:13	Daniel Mastalerz	CPPg++13.3.0	Success	5,535+51.37 RP
Sep 26, 2025 18:07	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 18:04	Daniel Mastalerz	CPPg++13.3.0	Success	5,701

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1